moles of water produced in  HCl(aq) + NaOH(aq) -> H2O(l) + NaCl(aq)?

Q: Determination of AHf of NH4CI(s) & AH soln AHf of NH4CI(s) using your values of AH neut AHf of…

A: Please note that dissolution is an endothermic process. So, ∆Hsol should be 8.68 kJ/mol ( a positive…

Q: 1) Answer the following question for the mixing of gaseous hydrogen chloride with water to make…

A: 1) HCl will be in gaseous phase  H2O will be in liquid (l) phase level. 2) H3O+ will be in aqueous…

Q: A chunk of Zn was breaks down on 200 mL of 0.750 mol/Liter Hydrochloric acid. After that rx, 100 mL…

A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: Which of the following is a primary standard for NaOH? A. None of these B. Potassium acid phthalate…

A: The major problem while weighing sodium hydroxide is that the solid absorbs moisture from its…

Q: If one mixes 50cm³ of EtOH and 50cm³ of H2O at room temperature; will the total volume of the…

A:

Q: prepare ( 0.3 M ) of HCl in 250 ml water, when you know Sp.Gr=1.18 and % = 36% . At.Wt / H=1 , Cl=…

A: Given = Specific gravity = 1.18g/mL Mass % of HCl = 36 % Molar Mass Of HCl= At Wt. of H + At. Wt. Of…

Q: 14. Complete the following. a. Make a graph of the following data points. Is the relationship…

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Q: A 10 ml of concentrated acetic acid was added in a sufficient quantity of water to make 350 ml of…

A: Since you have asked a question with multiple sub-parts, as per our company guidelines we are…

Q: 2. Calculate the [H*], [S²] and [HS] in a solution prepared by dissolving 0.10 mole of H2S in…

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Q: A. Standardizatlon of thlosulfate solution Trial 1 Trial 2 Trial 3 Initial volume of thiosulfate…

A: Molarity = number of moles of solute / volume of solution  We are given data for initial and final…

Q: How many milliliters of 0.10 M Pb(NO 3 )2 should be used to make ni(en)(h2o)4so4 10% mole excess?

A: This question must have a known value of the amount of Pb(SO4)2 produced.... So see the complete…

Q: 2. Calculate the [H*], [S²] and [HS] in a solution prepared by dissolving 0.10 mole of HS in…

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Q: Data Table: (include units!) Unknown Acid # Unknown Acid #3 M Your NaOH concentration (YOU FOUND…

A: Trial 1 Concentration of NaOH solution = 0.10 M Volume of acid used = 17.0 mL = 0.017 L Total volume…

Q: Part A Are the following solutions isotonic, hypotonic, or hypertonic compared with physiokogical…

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Q: Balanced chemical equation for neutralization of acid with NaOH Saved X1 Xi 1ITI金 1 Te Normal BIIU…

A: The chemical equation for titration is :                               H3A + 3NaOH → Na3H +3H2O 1…

Q: Part A If the pH of a 1.00-in. rainfall over 1500 miles² is 3.70, how many kilograms of sulfuric…

A: Given that :- pH = 3.70 [H+] = 10^-3.7 = 1.995*10^-4 mol per liter Find volume

Q: ew volume if

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: 21.929 Mass empty test tube and stopper Mass test tube, stopper and cyclohexanc Mass of cyclohexane…

A: Mass of cyclohexane(Solvent) = 6.39 g Mass of unknown in mixture 1 = 0.06 g' Mass of unknown in…

Q: Note: Kindly provide a solution pls. The answer is already provided. Thank you! 1.20 A high…

A: Answer is attached below

Q: In the standardization of HCl using pure anhydrous sodium carbonate as primary standard for methyl…

A: Here we have to determine the normality of HCl if in a titration 1ml of HCl is equivalent to 0.05 g…

Q: Calculation of the volume of 1.25 M NaOH (aq.) required to extract 1.0 gram of 2-naphthol. Use 20%…

A: Given: The molarity of NaOH (sodium hydroxide) is 1.25 M The mass of 2-naphthol is 1.0 g The amount…

Q: V. Data and Results Given: 0.1 N standard NaOH solution Sample 1 1.3296 g Sample 2 0.78 g Sample 3…

A: Answer:- This question is answered by using the simple concept of stoichiometry which involves the…

Q: Prepare 500g IV pack of 5% m/m KCI. Write procedure how to do this

A: 5%m/m KCL means the 100g of stock contains 5 g of KCl

Q: Prepare 250 mL stock acetic acid solutions and from this solution prepare 100 mL of each standard…

A: A numerical problem based on preparing stock and working solutions, which is to be accomplished.

Q: Using the data sets provided in the photos, please solve how to find the (M) of H2O2 (after mixing)…

A: Molarity is defined as the moles of compound present per L of solution. Its unit is mol/L.

Q: A chemist receive different mixtures for analysis with the statement that it contain NaOH, NaHCO3 ,…

A: NaOH and NaHCO3 can't be present together in a mixture since they react to form Na2CO3.   Thus,…

Q: How many grams of sodium hydroxide (M.wt=58.5) can be added to 2.5 liter of a solution mixture of…

A: Given:  Concentration of NH3 = 0.3 M  Concentration of NH4Cl = 0.15 M  Kb = 1.8 x 10-5  => pKb =…

Q: A student prepares a 0.51M aqueous solution of 4-chlorobutanoic acid C,H,CICO,H). Calculate the…

A: Given concentration of 4- chlorobutanoic acid 0.51M

Q: which of the following is secondary standard ?  A) hydrochloric acid  B) sodium oxalate ,  C)…

A: Given compounds, A) hydrochloric acid B) sodium oxalate C) potassium hydrogen phthalate D) sodium…

Q: How many grams of sodium hydroxide (M.wt-58.5) can be added to 2.5 liter of a solution mixture of…

A: We have to find mass of NaOH added to change pH/pOH by 1 unit . given 0.3M ammonia and 0.15M…

Q: I don't know how to answer the question to the file attached

A: According to the rules followed in significant figure calculations, the result obtained from…

Q: M = wt (g) 1000 M. wt (B v (mL) mol 0.250 M: wt (g) 1000 58.4 () 1 (mL) wt (g) 0.0146 B mL %3D…

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Q: 1 nickel (II) acetate is slowly added to 125 mL of 0.00846 M ammonium carbonate solution. What is…

A: The question is based on the concept of solubility product Principle.   it states that a weak…

Q: Objectives: To determine the percent mass of acetic acid in vinegar Data: Vinegar Sample : Trial 1…

A: We are given the experimental data and we have to calculate the mass % of acetic acid in vinegar…

Q: V Juce asked to determine the percentages of citric acid in the freshly squeezed and bottled lemon…

A: Using the balanced reaction i.e. stoichiometry of acid base titration reaction, mass of citric acid…

Q: 1-3: A stock solution of 70% v/v ethanol was diluted with distilled water to prepare 1L of 21% v/v…

A:

Q: Calculate the concentration of concentrated HCl in molarity. Concentrated HCl has 38% (w/w) HCl and…

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Q: 0.02 M NaOH reagent was standardized using 0.1000 g Potassium hydrogen phthalate (204.22 g/mol) and…

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Q: H. ОН PCC .COOH COOH or Na,Cr,0/ OH HNO, or HOAC KMNO, or NaOCI Cyclohexanol bp 161.5°C, den. 0.96…

A: The required mechanism is shown below Here initially oxidation of secondary alcohol to a ketone…

Q: What is the [H3O+] of a solution which is 0.1690 M in CH3CO2H and 0.1590 M in NaCH3CO2? CH3CO2H(aq)…

A: Answer:- This question is answered by using the simple concept of calculation of hydronium ion…

Q: Pre Lab Questions: (Each answer is to be written as a complete sentence) What is the reason for…

A: (1) Precipitation should be washed using distilled water, because there are some ionic impurities…

Q: What is the percentage purity of acetic acid if 2.6 grams required 32.5 ml of 0.994 N NaOH solution…

A: Acetic acid is monobasic acid and NaOH is monoacidic base. Hence for both of them normality =…

Q: 1-3: A stock solution of 70% v/v ethanol was diluted with distilled water to prepare 1L of 21% v/v…

A:

Q: 2- 185.0 mL of .12 M C2H5NH2 with 285.0 mL of 0.21 M C2H5NH3CI Kb(C2H5NH2) = 5.6×10^-4 Express your…

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Q: Given:    Mg(OH)2 (s)   <-->     Mg2+(aq)  +  2 OH- (aq)         Kc = 5.60 x 10-12     F- (aq)…

A: Given:   The Kc for the following is to be determined.

Q: Part B Using the method of successive approximations, what is [H3O*] in 0.500 M HC1O2 (K, = 1.1 x…

A: HNO2 ⇔H+ + NO2- Ka = [H+] [NO2-][HNO2] = x2(0.00250-x) 4.5 * 10-4 (0.00250 - x) = x2 1.125 * 10-6 -…

Q: 1-3: A stock solution of 70% v/v ethanol was diluted with distilled water to prepare 1L of 21% v/v…

A: Since you have posted multiple questions, we will answer the very first question. kindly repost the…

Q: Report Sheet: Characterization of a Weak Acid. UNKNOWN NUMBER A. Standardization of NaOH Solution…

A:

Q: Procedure: Several graluated eylindes and a Bwette filled with different amount of water displayed.…

A: “Since you have asked multiple question, we will solve the first question for you. If you want any…

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